Home / 127,114.48-190,699.12-38,360.56

Finding the Fourth Proportional to 127,114.48, 190,699.12 and 38,360.56

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Solution

The fourth proportional to 127,114.48, 190,699.12 and 38,360.56 is: 57,549.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,114.48 : 190,699.12 = 38,360.56 : x
  2. Step 2: Convert to fraction form
    127,114.48/190,699.12 = 38,360.56/x
  3. Step 3: Cross multiply
    127,114.48x = 190,699.12 × 38,360.56
  4. Step 4: Simplify right side
    127,114.48x = 7,315,325,034.71
  5. Step 5: Solve for x
    x = 7,315,325,034.71/127,114.48
  6. Step 6: Final answer
    x = 57,549.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.